Finding the Fourth Proportional to 3,940.83, 5,911.83 and 1,862.85

Step by Step Solution

1. Step 1: Write the proportion equation
   3,940.83 : 5,911.83 = 1,862.85 : x
2. Step 2: Convert to fraction form
   3,940.83/5,911.83 = 1,862.85/x
3. Step 3: Cross multiply
   3,940.83x = 5,911.83 × 1,862.85
4. Step 4: Simplify right side
   3,940.83x = 11,012,852.52
5. Step 5: Solve for x
   x = 11,012,852.52/3,940.83
6. Step 6: Final answer
   x = 2,794.55